Knee slide



FIG. 1 is a front perspective view of a knee slide in accordance with the present design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a front end elevation view thereof; and,

FIG. 8 is a rear end elevation view thereof. 

CLAIM The ornamental design of a knee slide, as shown and described. 